UnityEditor.SessionState.INTERNAL_CALL_SetVector3 C# (CSharp) Method

        private static extern void INTERNAL_CALL_SetVector3(string key, ref Vector3 value);
        [MethodImpl(MethodImplOptions.InternalCall)]

 internal static void SetVector3(string key, Vector3 value)
 {
     SessionState.INTERNAL_CALL_SetVector3(key, ref value);
 }